.serve-core{
    width: 1200px; 
    height: 1113px;
    margin: 0 auto;
}
.serve-core .serve-pos{
    font-size: 14px;
    margin-top: 20px;
}
.serve-pos .black{
    color: #767676;
}
.serve-pos .blue{
    color: #668aca;
}
.serve-tank{
   margin-top: 49px;
   width: 100%; 
}
.serve-tank .serve-left{
    float: left;
}
.serve-text-mode{
    width: 368px;
}
.serve-text-mode h2{
    font-size: 18px;
    color: #6b6b6b;
}
.serve-text-mode h3{
    font-size: 12px;
    color: #989898;
    margin-top: 8px;
}
.serve-text-mode p{
   margin-top: 18px;
   font-size: 14px;
   line-height: 21px;
   color: #989898;
}
.serve-underline{
    width: 328px;
    height: 1px;
    background-color: #f0f0f0;
    margin: 20px auto 20px 0;
}
/* //////图片/////////// */
.serve-tank .serve-right{
    float: right;
}
.serve-right .top{
    width: 750px;
    height: 400px;
    background-image: url(../img/serve/1.jpg);
}
.serve-right .bottom{
    margin-top: 30px;
    width: 750px;
    height: 400px;
    background-image: url(../img/serve/2.jpg);
}